Navigation instruments

Weems & Plath Ultralight Navigation Compass is an indispensable tool for every navigator. It's the best-selling tool in our collection for good reason. Made of coated marine aluminum to resist corrosion and designed for maximum precision. The unique center adjustment knob allows for one-handed operation, whether you're working manually or using the gear wheel.

With interchangeable stainless steel points or pencil leads, you can easily transform the compass into a compass. This makes it ideal for both classic navigation and modern applications. Reliable, robust, and designed for long life.

You can open and close this classic navigation compass with brass handles using one hand, leaving your other hand free for the chart or parallel ruler. The tapered shape and polished stainless steel points ensure precise measuring on the nautical chart. At 7 inches (178 mm), it is compact and ideal for detailed chart work.

A compact plotter made of transparent acrylic, approximately 184 mm | 7¼ inches long, for transferring GPS positions onto a paper nautical chart. The locking knob secures the plotter, the finger holes make sliding it across the chart easy, and the degree scale can be read directly. Supplied with a protective sleeve including instructions, useful if you are not yet familiar with this method.

A manual chart plotter for plotting GPS coordinates on a paper nautical chart. It combines the functions of a plotter, protractor, and parallel ruler into a single instrument, allowing you to work on the chart with fewer loose tools. Made of acrylic, stainless steel, and brass, and supplied with a protective case including instructions.

This classic navigation divider with brass handles opens and closes with one hand, leaving your other hand free for the chart or parallel ruler. The tapered shape and polished stainless steel points ensure precise measuring on the nautical chart. At 8 inches (203 mm), you have more range on large charts.

A straight brass navigation compass with polished stainless steel points, for measuring distances and plotting courses on a nautical chart. The tension is adjustable, so the legs move with exactly the amount of resistance you prefer and do not shift on their own. At 8 inches (203 mm), it provides greater reach on large charts, and its sleek design also makes it a handsome desk accessory.

The Portland Course Plotter , also known as a nautical protractor, is an indispensable tool for any mariner. This instrument plays a crucial role in accurate chart navigation, a fundamental aspect of maritime route planning.

This chartplotter is specifically designed to measure angles and courses on nautical charts, allowing skippers to accurately plot their vessel's course. Using the Portland Course Plotter, navigators can calculate precisely which direction their vessel should take relative to the Earth's geographic coordinates. Used worldwide by both practical and coastal instructors, this set provides a reliable backup for electronic navigation systems.

The Portland Course Plotter Kit is an indispensable tool for any navigator. While many boaters rely on electronic navigation, this plotter kit remains an essential backup for systems failure or when traditional methods are preferred. This complete set includes both a chartplotter and a 7" single-handed caliper, allowing you to accurately plot courses and bearings on nautical charts. This makes it easy to navigate safely, both inshore and on open water. Its clever design makes operating the plotter simple and efficient, even in challenging conditions.

The Ten Point Divider is a 6-inch (152 mm) stainless steel divider with eleven numbered points that allow you to divide a distance into a maximum of ten equal parts. On a nautical chart, you use it to interpolate between isobars, divide distances, or plot time units, and for technical drawing purposes as well. It comes in a black zippered case.

Accuracy begins with the right tools. With this Weems & Plath straight compass, you'll be in your element, whether you're a seasoned navigator or a pioneer charting, and you'll be on course. These 7- or 8-inch straight compasses will help you set your course effortlessly. Made of brass with polished stainless steel tips for precision and durability, the adjustable tension allows you to fine-tune it to your exact specifications. An essential navigational instrument for at sea or on land. And it looks great on your desk thanks to its sleek, elegant design.

For those who want to see clearly, anytime, anywhere. The Weems & Plath PRO 7x50 binoculars are no ordinary binoculars; they're a rugged instrument for professionals and adventurers on the water. Built to exceed military standards, these binoculars provide razor-sharp images from sunrise to sunset. Thanks to the flat field lenses, you'll enjoy crystal-clear edges, and even with glasses, the view remains optimal. The sturdy rubber housing ensures a solid grip, while the water and shock resistance make them perfect for any rough condition. With the Weems PRO 7x50, you'll easily chart your course, no matter how rough the water. These PRO binoculars come with l deluxe storage bag, padded neck strap and lens hoods.

The Classic is a 7x50 binocular with BAK 4 Porro prisms and fully multi-coated lenses, built to provide sharp, high-contrast images even in low light. The magnesium alloy housing with rubber armoring is waterproof and shockproof, and the argon filling prevents fogging during humidity and temperature changes. With a field of view of 413 feet at 1,000 yards, foldable eyecups, and individual eyepiece focusing, it weighs 1.4 kg.

Always a clear view, wherever you are. For the water sports enthusiast who wants to see clearly in all conditions. The Weems & Plath WAYFINDER 7x50 offers crystal-clear vision, both day and night. These binoculars are designed for easy adjustment, even for each individual eye, thanks to the twist-up eyecups. Prevent fogging, even in wet conditions, thanks to the argon filling. At 1 kilo, you'll feel like you're holding something, and with the waterproof and floating housing, it's ideal for use at sea or in rainy weather.

Navigate easily in low light. The illuminated compass rose and rangefinder make navigation effortless, even in the dark. These waterproof binoculars give you perfect visibility in any situation. Included with the binoculars are a soft black storage case, a padded neck strap, a lens cloth, 2 x LR44 batteries, and lens protectors.

A 7x50 binocular with BAK 4 Porro prisms and fully multi-coated lenses, which provides a bright image even in low light. The image features an illuminated compass rose and rangefinder, the argon filling keeps the lenses free of condensation, and the waterproof polycarbonate housing with rubber grip floats if dropped in the water. Each eye is focused separately, and the foldable eyecups make it comfortable for glasses wearers too.

You can focus this 7x50 binocular with a single central wheel, useful when switching quickly between a buoy nearby and a ship on the horizon. The aluminum housing with rubber coating weighs 725 grams, is waterproof and argon-filled to prevent fogging. BAK 4 Porro prisms and fully multi-coated lenses provide a clear image, and the rubber eyecups also work with glasses.